NSO LEVEL-1 Booklet For Class-IV

Class 413th Year 2010 Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 MENTAL ABILITY 1. The minute hand of a clock moved from 9 to 12. What part of an hour is this? (A) One quarter (B) One half (C) Three quarters (D) One whole 2. Which of the following figures has a line of symmetry? (A) 1 & 4 (B) 2 & 4 (C) 1, 2 & 4 (D) Only 4 3. Which of the following shapes could be the face of a cube? (A) (B) (C) (D) 4. In the given figure, what fraction of the square is shaded? 1 1 1 1 (A) (B) (C) (D) 4 2 6 8 5. What is the perimeter of the given figure? (A) 81 m (B) 91 m (C) 101 m (D) 71 m 6. How can 306,470 be written in words ? (A) Thirty-six thousand, four hundred seventy (B) Three hundred six thousand, four hundred seventy (C) Thirty-six thousand, forty-seven (D) Three hundred six thousand, forty-seven 7. What is the rule followed in the given Input-Output table ? (A) Add 25 (B) Add 35 (C) Add 36 (D) Add 45 8. Rinki is helping a local organization by stuffing envelopes. She must stuff 500 envelopes. She has already stuffed 321 envelopes. Which equation can be used to find the number of envelopes that she has left to stuff ? (A) 500 + 321 = n (B) 500 × 321 = n (C) 500 ÷ 321 = n (D) 500 – 321 = n  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 9. Which one of the following statements about the given numbers is true? (A) They are all factors of 39 (B) They are all divisible by 3 (C) They are all odd numbers (D) They are all even numbers 10. Look at the given pattern of numbers. 60, 75, 90, 105, 120, 135, ..... What is the rule used for this pattern? (A) Each number is 25 greater than the number before it (B) Each number is 15 greater than the number before it (C) Each number is 15 less than the number before it (D) Each number is 25 less than the number before it 11. A factor tree is shown in the figure. What number belongs in the box? (A) 27 (B) 54 (C) 69 (D) 15 12. Look at the picture below. It shows the lengths of a necklace and a bracelet. Which equation can be used to find n, the combined length of the necklace and the bracelet? (A) 18 × 6 = n (B) 18 – 6 = n (C) 18 + 6 = n (D) 18 ÷ 6 = n 13. Arvind went to the doctor on February 6. His next appointment is 2 weeks later. How can he find the date of next appointment? (A) Add 6 and 2 (B) Subtract 2 from 6 (C) Add 6 and 7 and 7 (D) Subtract 3 from 6 14. Look at the given table. It shows how many minutes Mohit read his book each day for three days. If this pattern continues on Thursday, what is the total number of minutes taken by Mohit to read his book in these four days? (A) 90 minutes (B) 60 minutes (C) 125 minutes (D) 75 minutes 15. Bhaskar had a 1-litre bottle of water. He drank half of the water. How much water is left in the bottle? (A) 50 millilitres (B) 500 millilitres (C) 25 millilitres (D) 75 millilitres  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 science 16. Frozen water is called _____ (A) Fog (B) Ice (C) Steam (D) Vapour 17. Which sense can be used to determine an object's ability to reflect light? (A) Sight (B) Hearing (C) Smell (D) Taste 18. Which unit can be used to describe an object's length? (A) Grams (B) Minutes (C) Litres (D) Metres 19. Study the given Venn diagram carefully. Which letter represents the hen? (A) Y (B) X (C) Z (D) R 20. Plants need water, sunlight, air, and nutrients to grow tall. Which of these plants would grow the tallest ? (A) (B) (C) (D) 21. Given is a description of a plant. Which one of the following is the plant likely to be? (A) Rose (B) Lotus (C) Dahlia (D) Sunflower 22. Which of the following characteristics can a puppy inherit from its parents? (A) Muddy paws (B) Spotted fur (C) Broken foot (D) Scar on face 23. Which structure of a bird is correctly paired with its function? (A) Claws – Obtaining food (B) Wings – Eliminating waste (C) Feathers – Breathing (D) Eyes – Growing 24. The given figure shows a fox and an owl both trying to catch a rabbit. The fox and the owl are both ______ (A) Finding a mate (B) Competing for food (C) Seeking shelter (D) Migrating for winter 25. Which of the following statements is NOT true for the positions of Sun and Earth as shown in the figure? (A) At the North pole there is sunlight throughout the day and night. (B) At the South pole there is no day light at all. (C) It is summer in the Northern hemisphere. (D) It is summer in the Southern hemisphere.  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 26. The energy that is stored in food originally comes from _____ (A) Air (B) Soil (C) Sunlight (D) Water 27. Which human response is most likely to occur when the temperature of the atmosphere is 45°C? (A) Blinking (B) Salivating (C) Shivering (D) Sweating 28. As children grow, their height usually _____ (A) Decreases (B) Increases (C) Remains the same (D) Cannot say 29. A student places soil in a plastic container to make a home for some worms. The student cuts holes in the top of the container because the worms need ___ (A) Space to move (B) Air to breathe (C) Sunlight to grow (D) Sound to communicate 30. The persons shown in the given figures belong to which transport system? (A) Bus (B) Ship (C) Train (D) Both (B) & (C) 31. Which of the following behaviours will best help a student to stay healthy? (A) Watching television five hours a day (B) Sleeping three hours each night (C) Eating fruits and vegetables every day (D) Exercising once a month 32. Which of the following animals can be used as means of transport ? (A) (a), (b) & (c) (B) (b), (c) & (d) (C) (a) & (e) (D) (a), (b) & (e) 33. A student wants to measure the height of a plant over a period of time. Which instrument will he use? (A) (B) (C) (D) 34. The given figure shows a simple food chain. Which of the following animals might compete with the jackal in this food chain? (A) (B) (C) (D)  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 35. The given figure is of human skeletal system. At which joint (P, Q, R and S) can the movement be only like the opening and closing of a door ? (A) P (B) Q (C) R (D) S. 36. Which of the following is a function of the skeletal system ? (A) Support (B) Protection (C) Calcium storage (D) All of these 37. A student is sitting at the beach. Which direction are the mountains from the student? (A) North (B) East (C) South (D) West 38. Select the correct match. Column I Column II (A) Mason (B) Carpenter (C) Electrician (D) Gardener 39. Decantation can be represented by which of the following figures? (A) (B) (C) (D) 40. Birds that eat other birds usually have short, curved beaks and strong feet with sharp claws. Which of these birds most likely eats other birds? (A) (B) (C) (D)  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 41. Which of the following planets is closest in size to Earth? (A) Mars (B) Saturn (C) Venus (D) Jupiter 42. Students recorded the high and low air temperatures everyday for four days. On which day did the air temperature change the least? (A) Monday (B) Tuesday (C) Wednesday (D) Thursday 43. A gardener watered each of these containers with equal amounts of water. Only one container was given fertilizer. To which plant was the fertilizer added ? (A) Plant W (B) Plant X (C) Plant Y (D) Plant Z 44. If two trees in a yard are parent and offspring, it must be true that both trees ___ (A) Have the same number of flower blooms (B) Have leaves that are of the same shape (C) Produce the same amount of fruits (D) Are of same height 45. Which of the following properties is not shared by all the objects shown in the figure ? (A) They all are solids. (B) They will all sink in water. (C) They will all attract a magnet. (D) They all are made from earth materials. 46. Using solar energy, we can cook food with the help of ____ (A) Solar water heater (B) Solar battery (C) Solar cooker (D) None of these 47. The thick fur of animals living in colder regions _____ (A) Makes them appear beautiful (B) Protects them from enemies (C) Keeps them warm (D) Protects them from water 48. The change that is occurring in the given figure is ____ . (A) Boiling (B) Melting (C) Freezing (D) Evaporation  Copyright©2015. Science Olympiad Foundation (SOF)  CLASS 4 | 13th NSO - 2010 49. Which of the following is incorrect regarding the care of our teeth? (A) We must brush our teeth everyday. (B) We should not chew our food well. (C) We should eat raw vegetables. (D) We should clean our mouth with water after every meal. 50. Which is the correct way of disposing garbage? (A) Throwing on the roof (B) Throwing in the backyard of the house (C) Throwing into covered pits (D) Throwing in the playground SPACE FOR ROUGH WORK  Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 14th Year 2011 Copyright©2015. Science Olympiad Foundation (SOF)  2 CLASS 4 | 14th NSO - 2011 MENTAL ABILITY 1. Komal bought four different types of vegetables Carrot 900 grams from the store. The weight of each type of vegetable Brinjal 1 kilogram she bought is shown in the given table. Radish 2 kilograms Which vegetable weighed the most ? Cucumber 30 grams (A) Carrot (B) Brinjal (C) Radish (D) Cucumber 2. In its first year of business, a company had 5 employees. In its second year, there were 25 employees, and in its third year, there were 125 employees. If the pattern continues, how many employees will the company have in the fourth year? (A) 250 (B) 625 (C) 3,125 (D) 15,625 3. Sonu and his mother have baked 24 cookies. They need a total of 120 cookies. If c stands for the number of cookies they still need to bake, which number sentence should Sonu and his mother use to find c ? (A) 120 – 24 = c (B) c x 24 = 120 (C) 120 + 24 = c (D) c x 120 = 24 4. How many lines of symmetry does the given figure have ? (A) 1 (B) 2 (C) 0 (D) 3 5. Aman made this list of the amount of time he Member of band Practice time and his friends in the school band spent practicing Aman 110 minutes on Saturday. Amit 50 minutes How should Aman arrange the names so that Dev 3 hours they are in order from least to greatest amount Naveen 1 hour of practice time? (A) Naveen < Amit < Aman < Dev (B) Amit < Aman < Naveen < Dev (C) Naveen < Dev < Amit < Aman (D) Amit < Naveen < Aman < Dev SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  3 CLASS 4 | 14th NSO - 2011 6. Mona uses this symbol to stand for a house on the map she is drawing. How many right angles will she need to draw each time she draws this symbol? (A) 1 (B) 2 (C) 3 (D) 5 7. Which number sentence does not belong to the same family or group of sentences as the other three? (A) 3 x 9 = 27 (B) 27 ÷ 9 = 3 (C) 9 x 3 = 27 (D) 9 ÷ 3 = 3 1 th 8. Which figure represents shaded part ? 4 (A) (B) (C) (D) 9. Tina found a triangular flag. She traced the flag on graph paper, as shown. What was the height of the triangular flag? (A) 4 units (B) 8 units (C) 9 units (D) 10 units 10. A junior high marching band is making a formation for the halftime show. There are 10 students in the first row, 11 students in the second row, 13 students in the third row, and 16 students in the fourth row. Which statement correctly describes how to find the total number of students in the fifth row? (A) Add 3 to the number of students in the fourth row. (B) Add 4 to the number of students in the fourth row. (C) Add 5 to the number of students in the fourth row. (D) Add 6 to the number of students in the fourth row. SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  4 CLASS 4 | 14th NSO - 2011 SCIENCE 11. Priya made a model of heavenly bodies, using a golf ball, a baseball, and a basketball as shown in the given figure. How could Priya improve her model? (A) By making the Moon smaller than Earth. (B) By using a flat object, such as a coin, for Earth. (C) By placing Earth between the Moon and the Sun. (D) By placing the Sun in between the Moon and Earth 12. Which labelled part in the given figure absorbs nutrients from food? (A) P (B) Q (C) R (D) S 13. Which statement is true about the planet Saturn? (A) It is bigger than Earth and farther from the Sun. (B) It is bigger than Earth and closer to the Sun. (C) It is smaller than Earth and farther from the Sun. (D) It is smaller than Earth and closer to the Sun. 14. During an art class, Mala dropped some metallic glitters into a glass of water as shown in the figure. How can she separate the glitters from the water ? (A) Boiling (B) Filtration (C) Condensation (D) Freezing SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  5 CLASS 4 | 14th NSO - 2011 15. Which of the following body parts belongs to the skeletal system? (A) (B) (C) (D) 16. A student measured the volume of water in a pan. He boiled the water for thirty minutes and then measured the volume of the water again. The volume of water _____. (A) Decreased (B) Increased (C) Remained the same (D) Data is insufficient 17. The given figure shows the life cycle of a frog in which different stages of development are labelled as P, Q, R, and S. Which is the adult stage of development? (A) P (B) Q (C) R (D) S 18. What is the main reason that different cultures of Native Americans had following types of homes? (A) Homes were designed to protect families from wild animals. (B) The number of people was different from tribe to tribe. (C) Homes were built from natural resources that were found nearby. (D) Native Americans built their homes to look like the homes of European settlers. SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  6 CLASS 4 | 14th NSO - 2011 19. Ritika is studying a liquid. If she lowers the temperature of the liquid, which will most likely occur? (A) The liquid will boil (B) The liquid will melt (C) The liquid will freeze (D) The liquid will evaporate 20. Which of the following is correct regarding water ? (A) Water has definite mass (B) Water has definite shape (C) All things dissolve in water (D) All of these 21. Which statement best explains how a microscope helps scientists? (A) A microscope allows scientists to see things that are far away. (B) A microscope allows scientists to see things that are small. (C) A microscope allows scientists to hear sounds that are far away. (D) A microscope allows scientists to hear sounds that are very low. 22. Which foot would most likely help a bird to live in water? (A) (B) (C) (D) 23. Sonia is studying cells that are too small to see with her eyes alone. Which tool would be most helpful for Sonia in observing the cells ? (A) (B) (C) (D) 24. The figure shows a glass of water and a stone. When the stone is placed in the glass, the water level will _____. (A) Decrease (B) Increase (C) Remain the same (D) Cannot be predicted SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  7 CLASS 4 | 14th NSO - 2011 25. The figure shows a fox and an owl both trying to catch a rabbit. The fox and the owl are both _____. (A) Finding a mate (B) Competing for food (C) Seeking shelter (D) Migrating in winter 26. Which two environmental changes usually cause certain animals to migrate? (A) Change of season and fewer predators (B) Change of season and less food (C) Loss of habitat and fewer predators (D) Loss of habitat and more food Direction : Refer the following paragraph and answer Q. nos. 27 and 28. The given figure shows four stages in the growth and development of a bean plant. The stages are labelled as P, Q, R and S. 27. In which stage is germination first visible ? (A) P (B) Q (C) R (D) S 28. Which new structure first appears in stage S ? (A) Seed (B) Leaf (C) Root (D) Stem 29. Which term describes the role of corn in the given food chain? (A) Carnivore (B) Consumer (C) Herbivore (D) Producer 30. Which of the following has inedible seeds ? (A) (B) (C) (D) SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  8 CLASS 4 | 14th NSO - 2011 31. The animal in the given figure belongs to which category ? (A) Herbivore (B) Carnivore (C) Omnivore (D) Producer 32. Examine the experiment as shown in the given figure. 400 ml of water in flask A is heated until it is completely evaporated. The amount of water collected in flask B is about _____. (A) 200 ml (B) 350 ml (C) 300 ml (D) 400 ml 33. Which of the following vehicles is specially designed for disabled ? (A) (B) (C) (D) 34. Which of the following uses radiowaves ? (A) Radio (B) Television (C) Mobile phone (D) All of these 35. The tool shown in the figure is used by which of the following persons ? (A) Plumber (B) Mason (C) Painter (D) Architect SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 15th SET A Year 2012 Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 2 MENTAL ABILITY 1. The missing digits P, Q, R, S, T and U P Q 8624 5 R 4 in the adjoining division are _____ respectively. –75 112 (A) 1, 5, 7, 1, 4, 6 –105 (B) 1, 7, 5, 6, 1, 4 74 (C) 1, 5, 6, 7, 1, 4 – S 0 (D) 1, 5, 7, 6, 1, 4 T U 2. Match the figures given in Column-I with their correct shaded fractions given in Column-II. Column-I Column-II (a) 1. 3/8 (b) 2. 1/3 (c) 3. 1/2 (d) 4. 1/4 (A) (a) - 2; (b) - 3; (c) - 4; (d) - 1 (B) (a) - 2; (b) - 1; (c) - 4; (d) - 3 (C) (a) - 2; (b) - 1; (c) - 3; (d) - 4 (D) (a) - 2; (b) - 4; (c) - 3; (d) - 1 3. In which of the following figure the dotted lines are not lines of symmetry? (A) 1 and 4 (B) 2 and 3 (C) 2 and 4 (D) 1, 2, 3 and 4 1 2 3 4 4. Which of the given figures has 60 cm 50 cm the greatest perimeter? 20 cm 60 cm 80 cm (A) 1 only 80 cm cm 30 cm 20 (B) 2 only 20 cm 40 cm (C) 3 only 20 cm (D) Both 2 and 3 1 2 3 Stadium 5. Jayati is facing south-east. If she turns Market Library 3 right angles anti-clockwise, then she will be facing ________. Food Centre Park (A) Park (B) Food Centre Club Temple (C) Club (D) Temple School Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 3 6. If + + + + = 3125 and ÷ = , then the value of + + + + = ? (A) 625 (B) 1425 (C) 1275 (D) 1325 7. The missing number in the given pattern is ________. 3 5 ? (A) 8 (B) 10 4 12 (C) 13 2 2 6 (D) 16 8. I am a two-digit number less than 50. I am a multiple of 3. The product of my digits is fourth multiple of 5. I am ________. (A) 15 (B) 54 (C) 35 (D) 45 9. The value of P + Q = ________. 0 P 1 Q 2 (A) 9/4 (B) 9/2 (C) 7/6 (D) 7/3 10. The maximum number of cards measuring 2 cm by 4 cm that can be cut from a piece of cardboard 12 cm by 20 cm is ________. (A) 11 (B) 15 (C) 24 (D) 30 SCIENCE 11. Meena planted tape grass in a pot of soil and watered it regularly. After a few days, the plant died. Which of the following is the most appropriate reason for it? (A) Tape grass flourishes more on ground than in pot. (B) Tape grass is an aquatic plant. (C) Tape grass does not require regular watering. (D) Water might be of bad quality. 12. Which of the following statements are INCORRECT? 1. Whales and dolphins breathe through gills as they are aquatic animals. 2. Warm-blooded animals have the same temperature inside their body all the time. 3. Elephants can trick their enemies by camouflaging. 4. Parasites feed on the flesh of dead animals. (A) 1 and 3 (B) 2, 3 and 4 (C) 1, 3 and 4 (D) 1, 2 and 3 Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 4 13. Mansi did a study on two animals, P and Q. At the end of her study she prepared following table about her observations. What is the name of these two animals? Eggs are Eggs are laid laid on on land. land. There are There are 4 4 stages stages in in the the life life cycle. cycle. It has It has six six legs. legs. Animal P Animal Q (A) Butterfly Frog (B) Cockroach Mosquito (C) Cockroach Frog (D) Butterfly Cockroach 14. Megha spread a layer of grease on the stem, leaf stalks and both surfaces of the leaves of a plant. The plant was then placed near an open window and watered daily. After a week, the plant wilted. Select the correct reasons for wilting of the plant from the reasons given below. 1. The layer of grease prevented water from reaching the leaves. 2. The layer of grease prevented the leaves from absorbing sufficient sunlight. 3. The layer of grease prevented the exchange of gases. 4. The layer of grease prevented food from reaching the leaves. (A) 1 and 2 (B) 1, 2 and 3 (C) 2 and 3 (D) 3 and 4 15. The figures given below show the shapes of the Moon as seen from Earth on different nights. ? 18th october 21st october 25th october 28th october Which one of the following figures shows the correct shape of the Moon on 21st october? (A) (B) (C) (D) 16. In which labelled part of the human digestive system, P does the water get absorbed the most? (A) Q R Q (B) R (C) P S (D) S Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 5 17. Observe the given figure. Which of the following statements best describes the difference in properties of the two objects A and B? (A) Object A is strong but object B is weak. (B) Object A is flexible but object B is stiff. (C) Object A is soft but object B is hard. (D) Object A is light but object B is heavy. 18. Study the given figure. Which plant part(s) has/have been X INCORRECTLY matched with its function? Parts Functions X Makes food for the plant Y Y Holds the plant firmly to the ground Z Z Absorbs water for the plant (A) X only (B) X and Z (C) Y only (D) Y and Z 19. Chetan drew the life cycle of a butterfly as Stage W Stage X shown in the figure. It is incorrect because _____. (A) Stage Z should come before Stage Y (B) Stage W should come before Stage Z (C) Stage X should come after Stage Y Stage Y Stage Z (D) Stage Y should come after Stage Z 20. I am a house made of snow. I am a place for Eskimos to live in. What am I? (A) Igloo (B) Tent (C) Skyscraper (D) Caravan 21. The given diagram shows a model which some students Rubber hose have made using scrap materials to represent parts Plastic bag of the digestive system of a man. Select the option Rope in which the scrap materials used by the students Bigger hose correctly represent the parts of the digestive system. Rubber hose Plastic bag Rope Bigger hose (A) Small intestine Liver Gullet Large intestine (B) Gullet Stomach Large intestine Small intestine (C) Gullet Stomach Small intestine Large intestine (D) Large intestine Liver Gullet Small intestine Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 6 22. Which of the following is INCORRECTLY classified? Respiratory system Skeletal system (A) Anus Brain (B) Wind pipe Spine (C) Lungs Skull (D) Nasal openings Rib cage 23. Which of the following is INCORRECTLY matched with the materials of which it is made ? Wood Plastic Metal Glass Clay (A) Cooking pot ü ü ü × ü (B) Comb ü ü × × × (C) Spoon ü ü ü ü ü (D) Container ü ü ü ü ü 24. It takes 365 days for one revolution by _______. (A) Sun on its axis (B) Earth on its axis (C) Moon in its orbit (D) Earth in its orbit 25. Who was the first man to step on the Moon? (A) Rakesh Sharma (B) Kalpana Chawla (C) Neil Armstrong (D) Yuri Gagarin 26. Which of the following students has made INCORRECT statement? (A) Megha : Do not throw away the water in which pulses are soaked. It contains vitamins. Use it for watering plants. (B) Garima : Roasting and frying of food, preserves its nutrient value for a long time. (C) Amit : Do not wash vegetables and fruits after cutting them. (D) Latika : Cooking makes food soft, tasty and easily digestible. 27. The given table shows certain features of synthetic fibres. Which of the following can be used to fill the blank in the table? (A) Stretchable Synthetic fibres Artificially prepared (B) Waterproof (C) Wrinkle-free Dry very quickly (D) All of these Examples are nylon, rayon and polyster 28. The given figure shows the process of photosynthesis. Identify the components labelled as P, Q, R and S, P which are parts of this process. P Q R S (A) Carbon dioxide Water Oxygen Glucose absorbed R (B) Carbon dioxide Oxygen Water Glucose absorbed S (C) Oxygen Carbon Water Glucose produced Q dioxide (D) Oxygen Water Carbon dioxide Glucose produced Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 7 29. Which of the following is a correct match? (A) Aerial animal – Toad (B) Arboreal animal – Monkey (C) Terrestrial animal – Crab (D) Aquatic animal – Polar bear 30. Mohit was going somewhere. On the way near a hospital he saw the given sign. Which option justifies its presence near a hospital? (A) The given sign is for "hospital ahead" which signifies to slow down the speed of the vehicles. (B) The given sign is for "no honking" as honking creates pleasant sounds which make patients resting in the hospital comfortable. (C) The given sign is for "no-honking" as honking creates loud noises which make patients resting in the hospital uncomfortable. (D) The given sign is for "no parking" which signifies to park vehicles far away from the hospital premises. 31. Observe the given picture. What does it show? (A) It shows that plants respond to the gravity. (B) It shows that plants respond to the changes in their surroundings. (C) It shows that plants need air, water and light to grow. (D) It shows that plants respond to touch. 32. There is a special way of reading and writing for people who cannot ____. It is called Braille system. It is written on a ­­____ paper by making row of ­­____ points with a pointed tool. Select the correct sequence of words to complete the above paragraph. (A) See, Thin, Hollow (B) Hear, Thick, Raised (C) See, Thick, Raised (D) Speak, Thin, Hollow 33. X, Y and Z show three states of matter. Which of the following are usually present in their respective states? X Y Z (A) LPG Pencil Cold drink (B) Helium Water Eraser (C) Milk Candle Pencil (D) Helium LPG Milk 34. Observe the given figure carefully. What does it show? Warm air Air heated (A) Mountain breeze over land cooling and descending and rising (B) Land breeze Cooler air over water moving towards land (C) Sea breeze (D) All of these Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET A 8 35. The given figure shows a special vehicle. Which of the following is correct regarding this? (A) It is used to put out fires. (B) It is used to carry goods on ground. (C) It is used to carry passengers up and down a mountain. (D) It is driven by large balloon filled with hot air. SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 15th SET B Year 2012 Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 1 mental ability 1. Difference between the (sum of lengths of pencil & crayon) and (pair of scissors) is ______. (A) 16.2 cm (B) 10.2 cm (C) 9.7 cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 (D) 6.7 cm CENTIMETRES 2. Difference between XXXIV and XXVII is ______. (A) VIII (B) VII (C) IX (D) V 3. Find the missing number in the adjoining number pattern.    14 1 (A) 3 10 5 (B) 4 11 ? (C) 5 7 8 (D) 2 4. A part of the figure is drawn. Complete the given figure, if the dotted line is the line of symmetry. (A) (B) (C) (D) SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 2 5. Which of the following is the correct match of figures with perimeter? 14 m (A) (P) only (P) (Q) (R) 6 cm 18 11 cm c cm m 18 (B) (Q) only 19 m 19 m = 66 m = 72 cm = 32 cm (C) Both (P) and (Q) 13 cm 18 cm cm 18 14 m (D) Both (P) and (R) 6. The cost of few items are given below. Calculate the cost of 3 balls, 5 umbrellas, 9 pens and 8 erasers. (A) ` 470 (B) ` 476 (C) ` 478 ` 37.00 ` 63.00 ` 4.00 ` 2.00 (D) ` 500 7. Find the INCORRECT match of shaded fractions. Shapes Improper fractions Mixed fractions 3 1 (A) 1 2 2 9 1 (B) 2 4 4 4 1 (C) 1 3 3 5 1 (D) 1 3 3 8. Find the values of P, Q and R respectively in the given division problem. 10 + P = 12 (A) 8, 2, 2 24 310 (B) 8, 8, 2 – 240 70 (C) 2, 8, 2 – 4Q (D) 2, 2, 8 2R SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 3 9. If ` 100 note and a ` 50 note were paid to the shopkeeper to pay the bill given below, then amount received as change is _____ . Bill Tiffin box ` 16.00 Water bottle ` 43.00 School bag ` 75.00 Pencil box ` 11.00   (A) `  10.00 (B) `  5.00 (C) `  6.00 (D) `  7.00 10. Here are some rabi crops that Raghu grew on his farm. Study the picture and then fill in the blanks. 1 (i) Raghu grows a on of his farm. 2 1 Barley (ii) He uses of the farm to grow b . 4 1 Wheat (iii) He grows c and d on of the farm. Maize Gram 8 a b c d (A) Barley Wheat Gram Maize (B) Gram Wheat Barley Maize (C) Maize Gram Barley Wheat (D) Wheat Barley Gram Maize SCIENCE 11. The food prepared by the leaves is used by the plants for their daily activities. The extra food gets stored as starch in ______. (A) Roots (B) Stems (C) Fruits (D) All of these 12. The type of tree shown in the given picture grows in ______ regions. (A) Plain (B) Mountain (C) Desert (D) Marsh 13. Which of the following is/are gaseous state of water? 1. Rain 2. Dew 3. Frost 4. Water vapour (A) 4 only (B) 3 only (C) 1 and 2 (D) 2 and 3 SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 4 14. Zarrin has noted in her calender, 15th November : Full Moon. Which shape of the Moon she would most likely observe on 29th November? (A) (B) (C) (D) 15. Select the correct statement. (A) Roughage present in vegetables and fruits must be discarded. (B) Overcooking decreases the nutritive value of food. (C) Preserved food has more nutritive value than the fresh food. (D) Growing children need more fats to build strong muscles. 16. Which of the following characteristics is shared Prawn, Crab, Tadpole, Whale by all the animals in the given box? (A) They live in water. (B) They breathe through gills. (C) They lay eggs. (D) They look after their young ones. 17. Rahul is visiting his friend who is admitted in a hospital. On his way to hospital, he gets confused to take which route. He then studies the map. Which of these symbols on map will help him in locating the hospital? (A) (B) (C) (D) 18. I revolve around the Sun. I am the brightest and the hottest member of the solar system. Who am I? (A) Blue Planet (B) Red Planet (C) Evening Star (D) North Star 19. The given figure shows human digestive system with parts labelled as d, e, f, g and h. In which labelled parts the following occur? (1) Acid and enzymes break the food. (2) Absorbs only water from the food. d (1) (2) (A) e d e f (B) e g g (C) e f h (D) f g SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 5 20. We always need to store liquid in containers. It is because _________. (A) Liquid has no fixed shape (B) Liquid can flow (C) Liquid has fixed volume (D) Both (A) and (B) 21. The first Indian to go into space was _______. (A) Kalpana Chawla (B) Rakesh Sharma (C) Sunita Williams (D) Yuri Gagarin 22. Match Column-I with Column-II and select the correct answer. Column-I Column-II (a) Helps in producing babies (1) Excretory system (b) Controls our actions (2) Reproductive system (c) Supplies oxygen to all parts of the body (3) Circulatory system (d) Removes wastes from the body (4) Nervous system (a) (b) (c) (d) (A) 2 4 3 1 (B) 1 3 2 4 (C) 2 1 3 4 (D) 4 2 1 3 23. Which of the following methods of cooking are healthy for an obese person? 1. Baking 2. Steaming 3. Boiling 4. Frying 5. Roasting (A) 1, 2, 4 (B) 2, 4, 5 (C) 3, 4, 5 (D) 1, 2, 3, 5 24. Which of these teeth act in the similar manner as the instrument shown in the picture? (A) Incisors (B) Premolars (C) Canines (D) Molars 25. We add talcum powder on carrom board to reduce _______. (A) Gravitational force (B) Frictional force (C) Elastic force (D) All of these SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 6 26. _______ is a group of seven stars. _______ helps sailors and people to identify directions. Select the correct sequence of words to fill up the blanks. (A) Big dipper, Moon (B) Solar system, Pole star (C) Solar system, Venus (D) Big dipper, Pole star 27. Study the given flowchart. What animals D, E, F and G are most likely to be ? Start Does it Yes Does it Yes D have hair ? lay eggs ? D E F G No No (A) Seal Guppy Platypus Penguin Does it lay eggs ? Yes F E (B) Platypus Seal Penguin Guppy No (C) Platypus Penguin Seal Guppy G (D) Penguin Seal Guppy Platypus 28. The given table shows the characteristics of three objects X, Y and Z. Which of the following sets of objects best fits the description given in the table? Characteristic X Y Z Object X Y Z (A) Rubber boots Cardboard Rubber band Bends easily (B) Paper Swimsuit Rubber band Gets stretched easily (C) Rubber band Sponge Cardboard Absorbs water (D) Cardboard Rubber board Swimsuit 29. Ashutosh weighed himself on a weighing scale. What is 70 80 60 Ashutosh's weight ? 9 (A) 74 kg (B) 72 kg (C) 78 kg (D) 75 kg 30. Identify the given types of feet (d, e, f) of the birds and select the correct option. d e f (A) Hawk Hen Sparrow (B) Eagle Crow Duck (C) Hawk Duck Mynah (d) (e) (f) (D) Crow Hen Heron SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF) 15th NSO - SET B 7 31. Ashok is pushing a loaded barrel through a slope onto a wooden plank surface as shown. This will help him to _____. (A) Increase the frictional force (B) Do work faster with more force (C) Change the direction of force applied (D) Do work faster and with less force 32. Preeti put her hand above the flame of the candle. She could not hold her hand above the flame for more than few seconds. Whereas, when she brought her hands close to the sides of the flame, she felt the warmth of the flame and held her hands in that position for a longer time. Which of the following justifies this? (A) The candle flame always burns downwards. (B) The candle flame always burns upwards. (C) The hot air rises up. (D) The hot air spreads in all directions. 33. Gaurav and his friends are giving their friend an immediate first aid treatment as shown. They made him lie down with his legs raised and having head lower than the body. Their friend most likely got ________. (A) Burned (B) Insect bitten (C) Fainted (D) Electric shock 34. The person shown in the picture belongs to which service ? (A) Judiciary service (B) Medical service (C) Military service (D) Postal service 35. Which of the following is incorrect ly written? (A) The chocolate weighs 20 grams. (B) The capacity of water tank is 1 kilogram. (C) The capacity of jug is 2 litres. (D) The bag of flour weighs 10 kilograms. SPACE FOR ROUGH WORK Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 16th SET A Year 2013 Copyright©2015. Science Olympiad Foundation (SOF)  MENTAL ABILITY 1. In the given figures, what fraction of straight lines are vertical lines? 2 1 3 5 A. B. C. D. 11 11 11 11 2. How many hundreds must be added to 9623 to make 91623? A. 20 B. 820 C. 82 D. 8200 3. What is the missing numbers in the given multiplication? 3 5 8 × ? 4 A. 6 B. 7 1 4 3 2 C. 8 +2 5 0 6 0 D. 9 2 6 4 9 2 4. A prescription for medicine from a clinic is Garima's Clinic shown here. Patient's name : Beena In a week, how many tablets would Beena eat? Dosage : 3 tablets to be taken 3 times daily A. 81 B. 48 Instructions : Complete the course C. 63 D. 21 of the medicine 5. Which of the following has the smallest value? A. 112 tens – 5 hundreds B. 14 hundreds × 6 C. 86 hundreds – 2 thousands D. 78 tens ÷ 3 6. Factors of first common multiple of 12 and 36 are _________. A. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 B. 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 C. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 D. 1, 2, 3, 4, 6, 9, 12, 18, 36 7. Find the values of P and Q respectively in the given number pattern. A. 5 and 28 2 3 P 5 6 B. 4 and 30 C. 3 and 30 6 12 20 Q D. 2 and 18 8. Which of the following options shows the correct mirror image of the given combination ? QE153 QE153 A. B. 351EQ 15 Mirror QE 3 QE153 C. D. Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 2 9. The value of CDXCVIII – XC is same as A. 408 B. 308 C. 208 D. 608 10. Which of the following shapes is embedded in the figure (X)? A. B. C. D. Figure (X) science 11. How many food chains are there in the given food web? A. 11 B. 12 C. 14 D. 15 12. Select the incorrect statement. A. The weaver bird uses its beak like a needle to sew leaves and other materials to make a nest. B. The penguin collects a few pebbles and stones to make a nest. C. Eagle and vulture simply put a few sticks together to make a shallow nest. D. The woodpecker pecks a tree trunk with its beak to make a hole for nest. 13. Read the given dialogues and select the Garima : Oh God! Beena has fainted, come on immediately lie her down and keep her head lower than the correct option regarding the situation. body. A. Priya and Megha are incorrect. Priya : I think, we should put some ice pack on her B. Garima is correct, Latika is incorrect. head, she will be fine then. Latika : Garima is right, that way blood supply will C. Latika made the correct explanation increase to her brain. of Garima's statement. Megha : Do not crowd around her. Allow inflow of fresh D. Only Megha is correct. air. 14. Select the correct match. Shape Function Teeth A. a-3-x, b-4-z, c-1-w, d-2-y a Sharp and flat 1 Chew and grind w Molars B. a-2- x, b-3-z, c-1-y, d-4-w b Pointed 2 Biting/cutting x Incisors C. a-4- y, b-2-x, c-3-z, d-1-w c Broad 3 Tearing y Premolars D. a-2- w, b-1-x, c-4-y, d-3-z d Broad 4 Grind z Canines Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 3 15. Select the incorrect match. Vitamin Its sources A. Vitamin C – Citrus fruits B. Vitamin A – Carrot C. Vitamin B – Sunlight D. Vitamin K – Spinach 16. The diagram below shows the developmental stages of a butterfly arranged randomly. Select the stage of its life cycle during which it is (a) most active eater, and (b) least active. (a) (b) A. d g B. e f C. d e D. f g d e f g 17. Study the given food guide pyramid and select the incorrect option regarding it. Key A. Cereals, vegetables and fruits Fat (naturally occurring and added) Sugars (added) should be in larger portion in Fats, Oils & Sweets Use sparingly These symbols show fats and added our daily meals. sugar in foods. B. Cereals should be taken the Milk, Yogurt & Meat, Poultry, Fish, Dry beans, most because it is body- Cheese group Eggs and Nuts group 2-3 servings 2-3 servings building food. Vegetable group Fruit group C. Deep fried food, excessive 3-5 servings 2-4 servings sweets in food should be avoided as fat and sugar is Bread, Cereal Rice & Pasta group required in small amounts in 6-11 servings the body. D. Dairy products such as milk, cheese, yoghurt are rich source of calcium, minerals and vitamins. Growing children should take them twice or thrice a day. 18. Study the given flow chart. Which of the marked ends d, e, f, g or h best represents caravan and igloo respectively? Caravan Igloo A. e f B. f h C. f e D. g h Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 4 19. Rahul is new to a town. Today is his first day in his school. After school he has to visit a doctor for routine medical checkup. Which of these symbols on map will help him to locate school d e f g and hospital respectively? A. f and d B. g and e C. e and d D. f and e 20. Study the given flow chart and accordingly classify the following objects 'd', 'e', 'f' and 'g'. A clay A piece A piece Rubber tile of glass of metal ring Start Is it transparent? Yes S (d) (e) (f) (g) Yes No Can it break? R   P Q R S No A. d e f g Yes Can it stretch? Q B. f g d e No C. g f e d D. e g d f P 21. A company that makes diapers carried out Paper clip an experiment to find out the speed at which Plastic Clamp different materials absorb water. The results ruler P Q R S are shown in the given diagram. Which of the materials is most suitable to be Coloured water used to make diapers? A. P B. Q C. R D. S 22. Study carefully the given diagrams showing arrangement of books on four different bookshelves. Which of these bookshelves is likely to topple over most easily? A. P B. Q P Q R S C. R D. S 23. Which of the following shows the correct changes in the lengths of the shadow of a tree throughout the day? Length of shadow Length of shadow Length of shadow Length of shadow A. B. C. D. 8 12 4 8 12 4 8 12 4 8 12 4 am noon pm am noon pm am noon pm am noon pm Time Time Time Time Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 5 24. Study the three glasses of tea that are placed on the table. Which of the following statements are true about the glasses of tea? 1. The tea in the three glasses have the same amount of heat. 2. The tea in the three glasses are of the same temperature. 3. There is more heat in Glass L than in Glass M. 4. There is less heat in Glass N than in Glass M. A. 1 and 4 B. 2 and 3 C. 3 and 4 D. 2, 3 and 4 25. ______ carry people and goods across lakes and river. ______ can carry hundreds of passengers for long distances. A ______ carries passengers across river or a short sea route. ________ carry soldiers and scientists underwater. Select the correct sequence of words to complete the above paragraph. A. Boats, Submarines, Ferry, Ships B. Ships, Ferries, Ship, Boats C. Ferries, Boats Submarine, Ships D. Boats, Ships, Ferry, Submarines 26. When raindrops pass through a very cold region of the atmosphere, they freeze and become ________. A. Frost B. Snow C. Dew D. Hail 27. Which of the following is a correct match? A. Mule – Hilly areas B. Elephant – Forest areas C. Camel – Desert areas D. All of these 28. Supriya is observing different phases of the Moon on different nights. On Oct 10th, she observed . What would she most likely observe on Oct 13th and Oct 20th? Oct 13th Oct 20th Oct 13th Oct 20th A. B. C. D. 29. The given figure shows high pressure and low pressure areas. Select the correct option regarding it. A. Winds blow from areas of high pressure to area of low pressure. B. Cool air blows from the sea to the land. C. Sea breeze blows from land to the sea. D. Both A and B. Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 6 30. ________, ________ and ________ are the sources of energy which will never finish. Select the correct sequence of words to fill the given blanks. A. Oil, coal and wood B. Petrol, diesel and LPG C. Sun, wind and water D. Sun, fossil fuels and wind achievers section 31. Study the given diagram showing part of the solar system and answer the questions that follow. 1. Which of these planets are made up of rocks and iron? 2. Which of these planets are mainly made up of frozen gases? (1) (2) A. c, d, g, h a, b, e, f B. c, f, e, g a, b, d, h C. a, b, d, h c, f, e, g D. a, b, e, f c, d, g, h 32. Prerna has 4 containers of the same size and thickness. They are made of different materials such as plastic, steel, styrofoam and glass. She poured the same amount of water at 90°C and placed a thermometer into each container. All the containers were placed in a room with the same conditions. After 20 minutes, which of the following could Prerna observe? 1. All the thermometers will show the same temperature. 2. All the thermometers will show different temperature. 3. The thermometer in the steel container will show the least drop in temperature. 4. The thermometer in the styrofoam cup will show the highest temperature. A. 1 only B. 2 and 3 C. 3 and 4 D. 2 and 4 33. Refer the given labelled diagram of digestive system and answer the questions that follow. 1. In which of the labelled parts the digestion of the food is completed? 2. Which of these labelled parts send some digestive juices into the small intestine? 3. The blood vessels in which of these labelled parts absorb the extra water? (1) (2) (3) d e A. e e and f h f B. h d and f g g C. g d and h e h D. g e and f d Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET A 7 34. Refer the given figure showing some aquatic plants. M N Select the correct option regarding the labelled plants 'L', 'M' and 'N'. L A. Plant 'L' - Their leaves are narrow and thin so that they can bend in flowing water. B. Plant 'N' - The stomata are on the top of the leaf surface so that the water does not block them. C. Plant 'M' - Their leaves are spongy as they have air in them. D. All of these. 35. Beena poured 500 mL of water into 3 different 500 mL of water 500 mL containers as shown in the figure. She kept all the 500 mL of water containers near a window. of water Beena checked the amount of water in the 3 containers at regular intervals. Choose the graph that could Container X Container Y Container Z best illustrate the loss of water after some time in the three containers. X 500 mL 500 mL 500 mL 500 mL Z Z A. B. C. D. Y Y Y X Amount Z Amount Amount Z of water of water Amount of water X Y of water X Time Time Time Time Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 16th SET B Year 2013 Copyright©2015. Science Olympiad Foundation (SOF)  MENTAL ABILITY 1. How many numbers between 1 and 20 are common multiples of 2 and 3? A. 1 B. 2 C. 3 D. 4 2. The product of 214 and a number is X. Taking 49 away from X gives 1449. Find the number. A. 7 B. 9 C. 1498 D. 1640 3. Latika decorated a square birthday cake, with sides measuring 20 cm, by placing strawberries every 5 cm around the edge. How many strawberries did she use? A. 16 B. 17 C. 18 D. 19 4. Find the value of P + Q – R + S. A. 4 B. 1 C. 5 D. 6 5. Select the correct match. A. B. C. D. 6. What fraction of the figure is shaded? 1 1 A. B. 2 4 3 11 C. D. 8 16 7. What is the weight of the toy lion? A. 2 kg 700 g B. 2 kg 100 g C. 2 kg 10 g D. 2 kg 600 g Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 2 8. Find the value of P & Q in the given pattern. A. 5, 50 B. 3, 30 C. 10, 45 D. 5, 10 9. Garima is facing north now. She makes a 1 - turn in anticlockwise direction and makes 2 3 another 4 - turn in the clockwise direction. In which direction will she be facing? A. North B. South C. West D. East 10. The graph shows how 209 people travel to work. Express the number of people who travel by motorcycle as a fraction of the number of people who travel by car. 1 1 A. B. 4 2 2 1 C. D. 3 6 SCIENCE 11. Which of the labelled parts of water hyacinth is adapted for floating? P A. Q Q B. P R C. S D. R S 12. Which one of the following graphs represents the population of grasshoppers in a garden after the arrival of a bulbul? A. P B. Q C. R D. S Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 3 13. The given diagram shows a screwdriver being used as simple machines (a and b). Identify the simple machines 'a' and 'b'. a b A. Pulley Lever B. Wheel and axle Lever C. Lever Wheel and axle Diagram a Diagram b D. Wheel and axle Pulley Direction (Q. 14 and 15) : Read the given passage and answer the questions that follow: A female cockroach lays its eggs in case, in a dark and safe place. Each case has only one egg. Each egg hatches into a young cockroach called caterpillar. It looks like an adult cockroach but is smaller and does not have wings. The young cockroach sheds skin several times before it becomes an adult. This shedding of skin is called 'X'. 14. What is INCORRECT in the above passage? A. A female cockroach lays its eggs in case. B. Each case has only one egg. C. Each egg hatches into a young cockroach called caterpillar. D. Both B and C. 15. What is 'X'? A. Metamorphosis B. Hatching C. Moulting D. Incubation 16. Which of these illustrates sea breeze? A. B. C. D. 17. Which of the following statements is NOT true? A. The skeletal system is by itself responsible for movement. B. The respiratory system helps us to get the air we need for survival. C. The circulatory system helps to carry digested food and water to all parts of the body. D. The digestive system helps to convert the food we eat into a form that is easily absorbed. Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 4 18. The diagram shows flashcards having description of a planet of solar system. I have sixty-two Which of the following would complete known moons the second flashcard? 1 A. I am called the 'Morning Star'. B. Life is possible only on me. ?? C. I spin faster than any other planet. 2 D. I am farthest from the Sun. 19. The given figure shows structure of a tooth. Select the P Q R correct option regarding labelled parts P, Q and R. A. R is the hardest substance of our body. B. Q is bone like material that supports R. C. P has nerves and blood vessels. D. All of these. 20. Roy wanted to make a list of actions that shows friction produces heat. Which of the following could he include in his list? (a) Rubbing hands together (b) Scratching a match stick against the box (c) Sawing wood (d) Drilling a hole into metal sheet (e) Rubbing off some pencil marks with an eraser A. a and e B. a, b and e C. a, b, c and e D. a, b, c, d and e 21. Some of the food sources are given in the box. 1. Rice 2. Wheat 3. Sugar 4. Fruits 5. Vegetables 6. Milk 7. Potato 8. Butter 9. e eggs ggs 10. Cheese 11. Pulses 12. o oilil Which list best classifies the given food sources into four components of food : Carbohydrates (C), Fats (F), Proteins (P), Vitamins and Minerals (V & M) C F P V&M A. 1, 2, 3, 7 8, 10, 12 6, 9, 11 4, 5, 6, 9 B. 1, 2, 3, 7 8, 9, 12 4, 6, 10 2, 8, 9 C. 4, 5, 6, 9 1, 2, 3, 7 8, 10, 12 6, 9, 11 D. 8, 9, 12 4, 6, 10 2, 8, 9 1, 2, 3, 7 Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 5 22. When clouds become very cold, water vapour condenses to form ice crystals instead of water drops. This falls down as ________ . A. Hail B. Dew C. Snow D. Fog 23. The Earth's atmosphere is made up of various gases. Which of the following best describes this composition of gases? Oxygen Oxygen Nitrogen Others A. B. C. D. Oxygen Others Nitrogen Oxygen Nitrogen Others Others Nitrogen 24. Read the given passage and identify birds X and Y.   X   Y X is a very lazy and clever bird. She does not build a A. Tern Penguin nest. When she is ready to lay eggs, she goes to the B. Koel Crow Y's nest and breaks a few of its eggs to make space for C. Woodpecker Tailor-bird her own eggs. Mother Y hatches X eggs and feed the D. Koel Bulbul nestlings of X. 25. Four objects P, Q, R and S of the same shape but different weights, are put into a tank of water. The given diagram shows what happens when they are in water. Which of the following is most likely the weight of object R? A. 60 B. 35 C. 25 D. 19 26. Which of the following is INCORRECT? A. An ambulance carries sick or injured people to hospital. B. Mules and horses are used in hilly areas. C. Camels are used in forest and elephants are used in desert. D. A postal van carries letters and parcels from one post office to another. 27. Which part of the eagle helps it to hunt its prey? P. Its sharp eyesight Q. Its talons R. Its sharp beak S. Its feathers that help keep it warm A. R only B. P, Q and R C. P and Q D. P, Q, R and S Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 6 28. Which of these requires the professional to be educationally well qualified? A. B. C. D. 29. Select the odd one among the given leaves, based upon their uses in food items. A. B. C. D. Curry Mint Neem Coriander 30. Your baby sister is sleeping in your room. You are reading a book at your study table. Your baby sister wakes up and lets out a cry. Which of your senses help you to know that your baby sister is crying ? A. Sense of touch and sight B. Sense of smell and touch C. Sense of hearing and touch D. Sense of sight and hearing ACHIEVERS SECTION 31. Study the given diagram and select the correct option regarding it. A. In the diagram, New Moon and Full Moon are incorrectly a c e labelled. They should rather be interchanged. Earth B. Phases of Moon 'c' and 'd' show Gibbous Moon and Full New 'e' and 'f' show Crescent Moon. moon moon C. 'a' and 'b' are Half Moon and the time lag between the d two is of a fortnight. b f D. Both A and C 32. Which of the following would allow you to see the candle at the end of the periscope? (i) (ii) (iii) (iv) A. (i) only B. (ii) only C. (ii) and (iv) D. (iii) and (iv) Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 16th NSO - SET B 7 33. Which of the following graphs shows that deforestation has taken place over a period of time? Air pollution Air pollution Air pollution Air pollution level A. B. C. D. level level level Number of years Number of years Number of years Number of years 34. Observe the given figure and read the following passage regarding it. As Sushil pushes the carton up the ramp, 'P' energy from the food that Sushil has eaten changes into 'Q' energy of the carton. When the carton reaches the deck of the lorry, this energy is stored in the carton as 'R' energy. However, some of the energy from Sushil is changed into 'S' and 'T'. Select the correct statements regarding energies P, Q, R, S and T. Statements : (i) S opposes motion and produces heat (ii) T makes us feel warm (iii) P energy is ultimately derived from solar energy (iv) The faster an object moves, the greater is R energy (v) The higher the object is, the more Q it has. A. (ii), (iv) and (v) B. (i), (ii) and (iii) C. (iii) and (v) D. (ii) and (iv) 35. Which of the following statements are false? P. A change in state can result in a change in volume. Q. A change in state can result in a change in substance. R. A change in state can result in a change in weight. S. A change in state can result in a change in mass. A. P and S B. Q and R C. Q, R and S D. P, Q, R and S Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 17th SET A Year 2014 Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 2 logical reasoning 1. The number of unit squares in Figure 10 in the given figure pattern is _______. A. 66 B. 45 C. 55 D. 36 2. Which of the following is the correct mirror image of Figure (X), if mirror is placed along MN? A. B. C. D. 3. Which of the following options is NOT embedded in the given Figure (X)? A. B. C. D. 4. There are number of cubes in the given figure. A. 8 B. 10 C. 12 D. 15 5. In a certain code language, if BOARD is written as $3%#6 and ROPE is written as #35@, then PEAR will be written as ______. A. 5%6# B. 5^%# C. #6%5 D. 5@%# Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 3 6. If P and Q as well as R and S interchange their positions, then what is the position of T with respect to P? A. East B. West C. North D. South 7. Garima goes to office everyday in July 20XX. If each July 20XX Sunday and all multiples of 5 are holidays, then how Sun Mon Tue Wed Thu Fri Sat many days she will go to office? 1 2 3 4 5 6 7 8 9 10 11 12 A. 21 13 14 15 16 17 18 19 B. 23 20 21 22 23 24 25 26 C. 22 27 28 29 30 31 D. 24 8. The Vanilla cake is larger than the Coconut cake. The Chocolate cake is larger than the Vanilla cake but smaller than the Mango cake. Which of the following is the correct order of cakes from the largest to the smallest? A. Vanilla > Coconut > Chocolate > Mango B. Mango > Chocolate > Coconut > Vanilla C. Mango > Vanilla > Chocolate > Coconut D. Mango > Chocolate > Vanilla > Coconut 9. If the given clock is 45 minutes slow, then the correct time after half an hour will be . A. 6 O'clock B. 6 : 30 C. 7 O'clock D. 5 : 30 10. A dog is chasing a cat as shown here. • The cat starts from 8 m and jumps 3 m every time. • The dog starts from 5 m and jumps 5 m every time. If they both start at the same time, in which jump will the dog overtake the cat? A. 1 B. 2 C. 3 D. 4 Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 4 SCIENCE 11. Select the correct option regarding the given food items. A. A person who is recovering from illness should take a lot of 2. B. Overeating of 1 regularly may lead to obesity. C. 3 gives us lots of energy, when hungry. 1 2 3 D. All of these 12. Four boys rolled oil drums of the same weight and size up the ramps of different heights. Which amongst them required the greatest effort? A. B. C. D. 4 m 3 m 2 m 1 m 13. Animal 'X' has the following characteristic features: • Long eyelashes and narrow nostrils • Wide padded feet • Thick rubbery lips • Thick leathery patches on knee Which of these animals is 'X'? A. B. C. D. 14. Advika took two healthy green plants of equal size, put them in two boxes, P and Q, made of different materials and placed them under the Sun, as shown in the figure. She watered the plants daily, but the plant in set-up P died, while the plant in set-up Q grew well. Which of the following best describes this? A. Plant in the set-up P could not get air. B. Box in the set-up P is made up of clear glass. C. Plant in the set-up Q could not get sunlight. D. Box in the set-up Q is made up of clear glass. P Q 15. Mayank wants to separate a mixture of salt-water-sand. Which of these separation methods should he use to separate all the three components? A. Filtration, Distillation B. Filtration, Evaporation C. Flotation, Sedimentation D. Evaporation, Decantation Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 5 16. The egg of cockroach hatches into a young cockroach, known as a nymph. It does not have wings and undergoes moulting several times because moulting allows it to grow in size to become an adult cockroach. Refer to the given table of the growth of a cockroach nymph and answer the question that follows: Week 2 4 6 8 10 12 14 16 Length (cm) 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.0 How many times has the nymph moulted? A. 5 B. 6 C. 7 D. 8 17. Refer to the given figure which points out the location of some organs in X our body. Which of the following options is incorrect regarding this? A. The organ located at X helps us to respond to our surroundings. B. The organ located at Y supplies nutrients etc. to all other organs. Y C. The organ located at W throws out the undigested food out of the body. W D. The organ located at Z helps our body to get rid of wastes, and is a part Z of excretory system. 18. Ajay filled a bottle upto the rim with water, and placed it in the freezer. What he saw after a few hours is shown in the figure given here. What does it show? A. Freezing decreases mass of water. B. Freezing compresses water. C. Freezing increases volume of water. D. Freezing increases mass of water. 19. Why are the days on different planets of different time period? A. The planets revolve around the Sun in different orbits. B. The planets rotate on their axis at different speeds. C. The planets revolve around the Sun at different speeds. D. The planets are at different distances from the Sun. 20. is the temperature at which a gaseous matter changes into a liquid. A. Freezing point B. Condensation point C. Boiling point D. Melting point 21. Four means of transport are hidden in the given word grid. C G H P A C E G Unscramble the given words and select the one which cannot be T L O B N T F M B I C Y C L E N found in the grid. S D L M A N R Q A. ICCBLEY B. LRIGDE O E T T R U C K C. RNATI D. RCKUT J R K D P W P Z Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 6 22. Meetu saw a bird walking and scratching the soil for worms and seeds. Which kind of foot would the bird have? A. B. C. D. 23. Arrange the following containers in order of the amount of water contained in them and select the correct option. A. R > Q > P > S B. R < Q < P < S C. R = Q > P = S D. R = Q < P = S 24. _____ is an imaginary line that runs from North Pole to the South Pole. It is tilted at an angle of 23.5 degrees. A. Equator B. Axis C. Orbit D. None of these 25. Which of these can explain the reason for mud houses being common in desert areas like Rajasthan? A. Mud absorbs heat and keeps the house cool. B. Rainfall is very scarce in Rajasthan. C. The roofs are made of thorny bushes. D. Both A and B 26. A young plant wilts when it is dug up, even if it is later re-planted at the same place. What can be the reason for this? A. The leaves lose more water when the plant is replanted. B. The roots cannot take up mineral salts because digging of soil decreases mineral content. C. The stem cannot transport water because digging always causes it to break. D. The surface area of the roots gets reduced on digging up. 27. Which of the following shows the correct path for transfer of energy? A. Plant → Lion → Goat → Tiger B. Wheat → Bird → Elephant → Lion C. Grass → Grasshopper → Chicken → Man D. Corn → Chicken → Snake → Elephant Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 7 28. Ritesh wants to make a list of actions that show that friction produces heat. Which of the following actions can he include in his list? (i) Rubbing hands together (ii) Scratching a match stick against the match box (iii) Sawing wood (iv) Drilling a hole into metal sheet (v) Rubbing off some pencil marks with an eraser A. (i) and (iv) B. (i), (ii) and (v) C. (i), (ii), (iii) and (v) D. All of these 29. Which of the following processes increases the amount of water vapour in the atmosphere? A. Evaporation B. Precipitation C. Percolation D. Condensation 30. The food prepared by the leaves is used by the plants for their daily activities. The excess food gets stored as starch in ______. A. Roots B. Stems C. Fruits D. All of these ACHIEVERS SECTION 31. Three uniform planks, P, Q and R are balanced on pivots. Two equal forces, each of value F, act on each plank but in different manners as shown in the figure. Which of the following options is correct regarding this? A. Plank P will either bend or break. B. Plank Q will show no movement at all. C. Plank R will be pulled up the pivot. D. Plank P will show no movement at all. 32. The given flow chart can be used to distinguish Flowering plants Hydrilla between some types of flowering plants. No What do M and N represent in the flow chart? Grows on land No N Yes Lotus M N Yes A. Has big flowers Has long stem No M Angsana B. Has edible fruits Has waxy leaves Yes C. Has woody stem Has spores Papaya D. Has edible fruits Floats inside water Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET A 8 33. Kunal pushed down a toy car from top of a racing track as shown in the diagram. The arrows show the direction of movement of the car. Which of the following statements are correct? 1. The car has the most gravitational potential energy at P. 2. The car has the most kinetic energy at P. 3. The car used up all its energy at U. 4. The car has the least kinetic energy at R. 5. The car at U stops, as its gravitational potential energy has been converted to kinetic, heat and sound energy. A. 1 and 3 B. 1 and 5 C. 2, 3 and 4 D. 2, 4 and 5 34. Refer to the given picture which shows our solar V W T system and select the correct option. R U A. Q  is known as the evening star and P is the hottest P S planet. Q B. R is a rocky planet while S is made up of gases. C. T is the third largest planet and W has no moons. D. P is a planet with no moons while Q is the hottest planet. 35. Shruti sets up an experiment, as shown in the figure. What is she trying to find out? A. Light is necessary for photosynthesis. B. Oxygen is evolved during photosynthesis. C. Carbon dioxide is necessary for photosynthesis. D. Chlorophyll is necessary for photosynthesis. Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF)  Class 4 17th SET B Year 2014 Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 1 LOGICAL REASONING 1. Select the correct mirror image of Figure (X). Mirror Figure (X) A. B. C. D. 2. How many triangles are there in Figure (X)? A. 48 B. 36 C. 42 D. None of these Figure (X) 3. Find the next figure in the given figure pattern. _____ ?____ A. B. C. D. 4. Neha is standing in a row of children. If she is 13th from the right end and 19th from the left end, then how many children are standing in the row? A. 31 B. 29 C. 28 D. 27 5. Select the correct order from the heaviest to the lightest. R Q S Q S P A. S > P > R > Q B. P > Q > R > S C. P > S > Q > R D. R > Q > S > P Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 2 6. Select the correct match. Figure Number of lines of symmetry A. 4 B. 4 C. 1 D. 2 7. Which of the following options will complete the pattern in Figure (X)? A. B. ? Figure (X) C. D. 8. How many letters appear the same when rotated by turn? A. 7 B. 6 ABCDEFGHIJLKM C. D. 5 4 NOPQRSTUVWXYZ 9. _____ will replace the question mark in the given number 4 7 8 16 ? 18 pattern, if a certain rule is followed in the figures. A. 22 B. 20 9 12 15 23 19 15 C. 18 D. 15 10. In how many ways can Garima travel from Home to School, Home N if moving North and West are not permitted? A. 0 W E B. 7 C. 11 D. None of these S School Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 3 SCIENCE 11. Which of the following can cause a sharp decrease in the size of a population? 1. Famine 2. Disease 3. Drought 4. Introduction of new prey 5. Introduction of new predator A. 1, 2 and 3 B. 1, 2, 3 and 4 C. 1, 2, 3 and 5 D. 1, 2, 3, 4 and 5 12. The descending order of heat conducting property of four metals a, b, c and d is a > b > c > d. An experiment was conducted to find out how these different metals, when combined, will conduct heat. A small ball of candle wax was placed on one end and a flame near the other end. The set-ups are shown below. In which set-up will the wax drop off first ? A. B. C. D. 13. Achin wanted to dig for earthworms in the garden. One hot afternoon, he got a small spade and dug deep into the ground before he found one earthworm. That night it rained heavily. Achin tried to look for earthworms again the next afternoon and this time he found more without having to dig very deep. This shows that earthworms prefer what kind of conditions in its habitat? 1. Dry conditions 2. Cool conditions 3. Moist conditions 4. Warm conditions A. 1 and 2 B. 2 and 3 C. 3 and 4 D. 1 and 4 14. Study the given graph carefully. The line QR shows the ________ stage of the mosquito. A. Egg B. Larval C. Pupal D. Adult 15. Which of these animals is described in the given box?  It lays eggs.  It possesses lungs. A. Lizard B. Pigeon  It has scaly skin. C. Frog D. Moth 16. Reena took some moong seeds and soaked them overnight in water. Next day, after draining out the water, she wrapped the seeds in a wet cloth. After one day, she observed small white structures growing out of the seeds. These small white structures will develop into ________. A. Stems B. Leaves C. Roots D. Flowers Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 4 17. Water boils at ________ and freezes at ________. A. 10°C, 100°C B. 100°C, 0°C C. 36.7°C, 0°C D. 100°C, 26°C 18. Amongst the given birds, which one has climbing claws with two toes in the front and two behind? A. B. C. D. 19. Refer the given picture and select the correct option. 17 Savitri is a nomad. To earn bread, she works as a helper in three homes which are on different floors. She lives in ‘a’ and works in ‘b’. Which of the following options correctly identifies ‘a’ and ‘b’ in the figure? A. a-3, b-1 B. a-2, b-1 C. a-3, b-2 D. a-2, b-3 20. A shadow puppet is put between a light source and a screen as shown in the picture. What will happen to the size of the shadow when the puppet moves : X : nearer to the screen? Y : nearer to the light source? X Y X Y A. Increases Decreases B. Decreases Increases C. Decreases Decreases D. Increases Increases 21. Shashank filled a communicating vessel with water as shown in the picture. Then he tilted the vessel to left by putting a block under its right end. Which of the following options is the best illustration to show the water level in the vessel? Communicating vessel A. B. C. D. 22. X is a slow means of transport which serves special purposes and is particularly useful for farmers. Which of these can be X? A. B. C. D. X 23. Refer to the given figure. Which of the following cannot be X? A. Oxygen B. Carbon dioxide C. Water D. None of these Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 5 24. Which of the following statements is correct? A. A volcano is an opening on the Earth surface which leads to its core. B. Gases and molten rocks called lava escape through the opening when volcano erupts. C. All volcanoes continuously release smoke and lava. D. All of these 25. Which of the following statements hold true regarding the given plants X and Y? 1. Plant X depends partly on animals for food but can also make its own food while plant Y cannot make its own food. X Y 2. Plant X has chlorophyll while plant Y does not contain chlorophyll and is non-green. 3. In plant X, food is prepared by the green stem, whereas plant Y obtains its food from dead and decaying plants and animals. 4. Plant X and plant Y have patches of green colour. Only green part of their leaves performs photosynthesis. A. 1, 3 and 4 B. 2 and 3 C. 1 and 4 D. 3 and 4 26. The girl ‘a’ is putting more efforts to pull the sack bag as compared to the girl ‘b’. Girl ‘a’ has to work against a force which also _____. A. Changes the direction of a moving object B. Causes all objects to fall to the ground a b C. Prevents us from slipping when we walk D. Makes a stationery object to move Direction : Refer to the given diagram and answer questions 27 and 28. 27. Which of the following can be X, Y and Z? X Y Z X Y Z A. Oxygen Milk Paper B. Camphor Ice Coconut oil C. Perfume Camphor Mustard oil D. Air Ketchup Rubber 28. Select the correct option regarding the substances you have identified as X, Y and Z. A. Y can be directly changed into gaseous state without melting. B. X can be changed into liquid state without heating. C. Z will solidify at room temperature in winter. D. Both A and B Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 6 29. Which of the following statements does not hold true about the first aid given to an injured person? A. If a person is badly hurt, make the person lie down with the wounded part slightly elevated. B. Apply butter or oil on the burnt area after pricking the blisters on it. C. If a person faints, then immediately make him lie down with his head lower than the body. D. In case of a minor burn, dip the burnt area in cold water or put ice pack on it. 30. Gopal learned that the planet Jupiter has a mass that is about 318 times that of the Earth and that Mars has about 1/10 the mass of the Earth. Using this information, which of the following conclusions is incorrect about Mars, Jupiter and the Earth? A. Jupiter has a gravitational force larger than that of Mars. B. Mars has a gravitational force larger than that of the Earth. C. Jupiter has a gravitational force larger than that of the Earth. D. Earth has a gravitational force larger than that of the Mars. ACHIEVERS SECTION 31. Advika took a croton plant with shaded leaves and set Black paper Q up an experiment as shown here. After that she kept R the plant in darkness for a few hours and then placed P it in sunlight. After 6 hours, she performed iodine test on plucked leaves P, Q and R. Which of the following CO2 absorbant is the possible outcome? A. -Leaf Q B. -Leaf Q C. - Leaf R D. -Leaf P 32. Refer to the given figure of different blood vessels. The arrows show the direction of the flow of blood. Which one of the following correctly describes about blood X and blood Y? Blood X Blood Y A. Rich in oxygen and nutrients Rich in carbon dioxide and waste materials B. Rich in carbon dioxide and Rich in carbon dioxide waste materials and waste materials C. Rich in oxygen and nutrients Rich in oxygen and nutrients D. Rich in carbon dioxide and Rich in oxygen and nutrients waste materials Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF) 17th NSO - SET B 7 33. The given graph shows the changes in amount of undigested food as it progresses through the alimentary canal. Select the incorrect option regarding the parts labelled as P, Q, R, S and T. A. Q and T are oesophagus and large intestine respectively. B. P represents mouth where about 30% of carbohydrate is digested. C. S is small intestine, where both digestion and absorption takes place. D. R is stomach, the primary site of digestion of carbohydrate and protein. 34. Study the given diagram. 1. The phases of the Moon can be seen on ______ side of the Earth. 2. Which of the phases are as equally illuminated as the Earth? A. 1-Y, 2-P and V B. 1-Y, 2-Q and U C. 1-X, 2-R and T D. 1-X, 2-Q and U 35. 100 gms of three types of soil were put in a funnel and each funnel was put on an empty beaker using stands. Then 60 mL water was poured over each of them. The result is shown in the given figure. Identify the soil types and select the correct option. A. X is clay and Y is gravel. B. Y is gravel and Z is sand. C. X is sand and Y is clay. D. Y is sand and Z is clay. Space for Rough Work Copyright©2015. Science Olympiad Foundation (SOF)  ANSWER KEYS 13 TH  NSO  1.  (A)  2.  (A)  3.  (C)  4.  (B)  5.  (A)  6.  (B)  7.  (B)  8.  (D)  9.  (C)  10.  (B)  11.  (B)  12.  (C)  13.  (C)  14.  (A)  15.  (B)  16.  (B)  17.  (A)  18.  (D)  19.  (A)  20.  (D)  21.  (A)  22.  (B)  23.  (A)  24.  (B)  25.  (D)  26.  (C)  27.  (D)  28.  (B)  29.  (B)  30.  (C)  31.  (C)  32.  (D)  33.  (A)  34.  (B)  35.  (B)  36.  (D)  37.  (D)  38.  (D)  39.  (B)  40.  (C)  41.  (C)  42.  (B)  43.  (D)  44.  (B)  45.  (C)  46.  (C)  47.  (C)  48.  (B)  49.  (B)  50.  (C)  14 TH  NSO  1. (C)  2. (B)  3. (A)  4. (A)  5. (D)  6. (C)  7. (D)  8. (B)  9. (C)  10. (B)  11. (A)  12. (D)  13. (A)  14. (B)  15. (A)  16. (A)  17. (D)  18. (C)  19. (C)  20. (A)  21. (B)  22. (A)  23. (A)  24. (B)  25. (B)  26. (B)  27. (B)  28. (A)  29. (D)  30. (D)  31. (A)  32. (D)  33. (B)  34. (D)  35. (C)  15 TH  NSO  SET A  1. (D)  2. (B)  3. (B)  4. (C)  5. (C)  6. (D)  7. (A)  8. (D)  9. (D)  10. (D)  11. (B)  12. (C)  13. (B)  14. (C)  15. (B)  16. (D)  17. (D)  18. (C)  19. (C)  20. (A)  21. (C)  22. (A)  23. (A)  24. (D)  25. (C)  26. (B)  27. (D)  28. (D)  29. (B)  30. (C)  31. (A)  32. (C)  33. (B)  34. (C)  35. (C)  SET B  1. (C)  2. (B)  3. (B)  4. (A)  5. (C)  6. (C)  7. (D)  8. (C)  9. (B)  10. (D)  11. (D)  12. (B)  13. (A)  14. (A)  15. (B)  16. (A)  17. (A)  18. (C)  19. (C)  20. (D)  21. (B)  22. (A)  23. (D)  24. (B)  25. (B)  26. (D)  27. (B)  28. (C)  29. (C)  30. (A)  31. (D)  32. (C)  33. (C)  34. (C)  35. (B)  16 TH  NSO  SET A  1. (A)  2. (B)  3. (B)  4. (C)  5. (D)  6. (D)  7. (B)  8. (B)  9. (A)  10. (A)  11. (C)  12. (A)  13. (C)  14. (B)  15. (C)  16. (B)  17. (B)  18. (B)  19. (C)  20. (B)  21. (A)  22. (C)  23. (A)  24. (B)  25. (D)  26. (D)  27. (D)  28. (C)  29. (D)  30. (C)  31. (D)  32. (D)  33. (B)  34. (D)  35. (D)  SET B  1. (C)  2. (A)  3. (A)  4. (B)  5. (C)  6. (A)  7. (A)  8. (A)  9. (D)  10. (A)  11. (D)  12. (D)  13. (B)  14. (D)  15. (C)  16. (A)  17. (A)  18. None  19. (D)  20. (D)  21. (A)  22. (C)  23. (C)  24. (B)  25. (C)  26. (C)  27. (B)  28. (B)  29. (C)  30. (D)  31. (D)  32. (B)  33. (B)  34. (B)  35. (C)  17 TH  NSO  SET A  1.  (C)  2.  (B)  3.  (A)  4.  (A)  5.  (D)  6.  (A)  7.  (C)  8.  (D)  9.  (A)  10.  (B)  11.  (D)  12.  (A)  13.  (A)  14.  (D)  15.  (A)  16.  (B)  17.  (C)  18.  (C)  19.  (B)  20.  (B)  21.  (C)  22.  (B)  23.  (D)  24.  (B)  25.  (D)  26.  (D)  27.  (C)  28.  (D)  29.  (A)  30.  (D)  31.  (D)  32.  (B)  33.  (B)  34.  (D)  35.  (A)  SET B  1.  (B)  2.  (D)  3.  (C)  4.  (A)  5.  (C)  6.  (B)  7.  (B)  8.  (A)  9.  (A)  10.  (C)  11.  (C)  12.  (D)  13.  (B)  14.  (B)  15.  (A)  16.  (C)  17.  (B)  18.  (D)  19.  (C)  20.  (B)  21.  (A)  22.  (A)  23.  (C)  24.  (B)  25.  (B)  26.  (C)  27.  (C)  28.  (D)  29.  (B)  30.  (B)  31.  (A)  32.  (A)  33.  (D)  34.  (B)  35.  (D) Copyright©2015. Science Olympiad Foundation (SOF)